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<html lang="zh-cn">
    <head>
        <meta charset="UTF-8"/>
        <meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0" />
        <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" />
        <title>Document</title>
        <style>
            .spinner {
              margin: 100px auto 0;
              width: 150px;
              text-align: center;
            }
             
            .spinner > div {
              width: 30px;
              height: 30px;
              background-color: #67CF22;
             
              border-radius: 100%;
              display: inline-block;
              -webkit-animation: bouncedelay 1.4s infinite ease-in-out;
              animation: bouncedelay 1.4s infinite ease-in-out;
              /* Prevent first frame from flickering when animation starts */
              -webkit-animation-fill-mode: both;
              animation-fill-mode: both;
            }
             
            .spinner .bounce1 {
              -webkit-animation-delay: -0.32s;
              animation-delay: -0.32s;
            }
             
            .spinner .bounce2 {
              -webkit-animation-delay: -0.16s;
              animation-delay: -0.16s;
            }
             
            @-webkit-keyframes bouncedelay {
              0%, 80%, 100% { -webkit-transform: scale(0.0) }
              40% { -webkit-transform: scale(1.0) }
            }
             
            @keyframes bouncedelay {
              0%, 80%, 100% {
                transform: scale(0.0);
                -webkit-transform: scale(0.0);
              } 40% {
                transform: scale(1.0);
                -webkit-transform: scale(1.0);
              }
            }
        </style>
    </head>
    <body>
        <h1>使用 CSS3 实现超炫的 Loading（加载）动画效果</h1>
        <p><a href="http://www.cnblogs.com/lhb25/archive/2013/12/28/loading-spinners-animated-with-css3.html">来源</a></p>
        <div class="spinner">
          <div class="bounce1"></div>
          <div class="bounce2"></div>
          <div class="bounce3"></div>
        </div>

    </body>
</html>